In addition to Iron Man 2, Brie Larson also revealed that she was up for a role in Kenneth Branagh’s Thor. For that movie, it seems like Larson could have played a variety of roles. Obviously the most obvious is the title character’s love interest Jane, made famous by Natalie Portman. Additionally, I could see the Oscar winner playing Lady Sif (Jaimie Alexander) or even Darcy (Kat Dennings).
Article source: https://www.cinemablend.com/news/2554415/captain-marvels-brie-larson-auditioned-for-two-other-marvel-movies-but-which-roles